Sasl Authentication

[UNIT-ISO]

I'm trying to run cyradmin: $ su - cyrus $ cyradm localhost IMAP Password: Login failed: no mechanism available at /usr/lib/perl5/site_perl/5.8.3/i386-linux-thread-multi/Cyrus/IMAP/Admin.pm line 118 cyradm: cannot authenticate to server with  as cyrus $ exit then i $ tail /var/log/messages Jun 21 15:24:21 mail su(pam_unix)[13395]: session opened for user cyrus by pgauna(uid=0) Jun 21 15:24:40 mail perl: No worthy mechs found Jun 21 15:25:03 mail perl: No worthy mechs found Jun 21 15:25:05 mail imap[12339]: unknown password verifier Jun 21 15:25:56 mail su(pam_unix)[13395]: session closed for user cyrus I''m using FC2 I used testsaslauthd and i says Ok.... ¿Ideas?